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[solax <982434@xxxxxxxxxxxxxxxxxx>]

Same bug with Ubuntu 14.10 on Dell E6510.
Compiz used ram increase each time i search something in the dash.
I have noticed that using last nvidia drivers (331.113) or legacy (304.125) does not make much difference. Using instead the xorg nouveau drivers it is much better. Used ram by compiz starts with 38Mb and I could reach 106 Mb, but not more.

Moreover in the system monitor application, selecting the memory map for
compiz process I see that what is eating ram is the heap of this
process. I will attach screenshot.


** Attachment added: "compiz-ram1.png"
   https://bugs.launchpad.net/ubuntu/+source/unity/+bug/982434/+attachment/4295882/+files/compiz-ram1.png

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https://bugs.launchpad.net/bugs/982434

Title:
  Opening the dash causes memory usage to climb dramatically, and never
  comes back down

Status in Unity:
  Confirmed
Status in unity package in Ubuntu:
  Confirmed

Bug description:
  This may not be a bug at all, but thought I'd report it anyway.

  I am NOT reporting a memory leak - at least, I don't think so.  I am
  simply reporting this:

  When I start a desktop session, Compiz uses 85M of memory.  It stays
  there as long as I *do not open the Dash*.

  Once I open the Dash - simply pushing the Ubuntu button, and then
  closing immediately - the memory usage climbs to ~120-150.

  If I go through every page in the Dash and open every sub-page and see
  every icon available, the memory usage clibms to ~185M.

  Re-visiting the Dash, no matter how often, doesn't cause a further
  increase, but I'm not certain the Dash should use ~100M of RAM all by
  itself.  I'm not sure how much it *should* use, but it just seems a
  bit excessive.

  ProblemType: Bug
  DistroRelease: Ubuntu 12.04
  Package: unity 5.10.0-0ubuntu3
  ProcVersionSignature: Ubuntu 3.2.0-23.36-generic-pae 3.2.14
  Uname: Linux 3.2.0-23-generic-pae i686
  NonfreeKernelModules: nvidia
  ApportVersion: 2.0.1-0ubuntu3
  Architecture: i386
  CompizPlugins: [core,composite,opengl,compiztoolbox,decor,regex,place,grid,snap,vpswitch,move,animation,gnomecompat,resize,mousepoll,session,imgpng,workarounds,wall,fade,expo,scale,unitymtgrabhandles,ezoom,unityshell]
  Date: Sun Apr 15 11:26:09 2012
  InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Beta i386 (20110901)
  ProcEnviron:
   TERM=xterm
   PATH=(custom, no user)
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  SourcePackage: unity
  UpgradeStatus: Upgraded to precise on 2012-03-26 (20 days ago)

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